pure substance
Neither. Oxygen is an element, which is a pure substance and not a mixture.
Oxygen is an element and a pure substance.
Oxygen is an element, which is a pure substance.
Oxygen is an element indicating that is a pure substance.
Mixture, because it is mixed with all sorts of chemicals, such as smog, and or pollen.Mixture is NOT a pure substance, because to be a pure substance, it can't be mixed with anything.
substance because you can write it as a formula
Oxygen is a pure substance. In nature, free oxygen exists as a molecule of two oxygen atoms covalently bonded, O2.
Neither, Oxygen is a pure substance not a mixture.
It is homogeneous, but it is not a mixture. It is an element, which is a pure substance.
Sodium chlorate is a pure substance with a chemical formula NaClO3. It is distinct from a mixture of sodium chloride (NaCl) and oxygen (O2).
a pure substance. either a compound or an element. Also, a solution, which is a homogeneous mixture, not a pure substance.
Oxygen is a pure substance because it is made up of only one type of atom - oxygen atoms. It is not a solution, which is a homogenous mixture of two or more substances.